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Class Information
Number: 525/326.2
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Mixing of two or more solid polymers; mixing of solid polymer or sicp with sicp or spfi; mixing of sicp with an ethylenic agent; mixing of solid polymer with a chemical treating or ethylenic agent; or processes of forming or reacting; or the resultant product of any of the above operations > At least one solid polymer derived from ethylenic reactants only > Chemically after treated solid polymers derived from ethylenically unsaturated monomers only > Polymer derived from fluorine monomer
Description: Products wherein a solid polymer derived from a fluorine containing ethylenic unsaturated monomer has been chemically modified.

Sub-classes under this class:

Class Number Class Name Patents
525/326.4 Halogen containing chemical treating agent; or dehalogenated 153
525/326.3 Vulcanized or crosslinked in presence of chemical treating agent 295

Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8710109 Chemically resistant membranes, coatings and films and methods for their preparation Apr. 29, 2014
8680209 Stabilized fluoropolymer and method for producing same Mar. 25, 2014
8674031 Method of preparing water- and oil-repellent soil-resistant composition Mar. 18, 2014
8648149 Radically coupled PTFE polymer compounds and method for the production thereof Feb. 11, 2014
8641919 Piezoelectric compositions Feb. 4, 2014
8618222 Curable fluoroelastomer composition Dec. 31, 2013
8609739 Poly(perfluorocyclobutane) ionomer with phosphonic acid groups for high temperature fuel cells Dec. 17, 2013
8580897 Crosslinked fluoropolymer networks Nov. 12, 2013
8563657 Ionic liquids, functionalized particulates, and fluoropolymer composites Oct. 22, 2013
8563660 Fluororubber-based sealing material having good sealing properties under high/low temperature load Oct. 22, 2013
8513351 Fluoroelastomer gels Aug. 20, 2013
8487018 Heavy metal-free and anaerobically compostable vinyl halide compositions, articles and landfill biodegradation Jul. 16, 2013
8476356 (Per)fluoroelastomeric compositions Jul. 2, 2013
8466231 Process for removing fluorinated emulsifier from fluoropolymer dispersions using an anion-exchange resin and a pH-dependent surfactant and fluoropolymer dispersions containing a pH-dependent s Jun. 18, 2013
8454738 Mold-releasing agent Jun. 4, 2013
8455557 Membranes, coatings and films and methods for their preparation Jun. 4, 2013
8426527 Crosslinkable fluororubber composition and crosslinked rubber article Apr. 23, 2013
8404756 Foamable fluoropolymer composition Mar. 26, 2013
8404782 Fluorine-containing polymer powder, method for producing the same and coated article Mar. 26, 2013
RE44096 Fluorine-containing compound having hydrolyzable metal alkoxide moiety, curable fluorine-containing polymer prepared from the same compound, and curable fluorine-containing resin composition c Mar. 19, 2013
8377187 Graft copolymer and mold-releasing agent comprising same as active ingredient Feb. 19, 2013
8362167 Fluorinated imidoylamidine vulcanizing agents for curing perfluoroelastomers polymers Jan. 29, 2013
8361368 Smart devices based on a dynamic shape memory effect for polymers Jan. 29, 2013
8357725 Semi-crystalline fluoropolymer having ion exchange groups Jan. 22, 2013
8354173 Powder coating fluoropolymer compositions containing mono-hydroxy aromatic materials Jan. 15, 2013
8354201 Fuel cell with spatially non-homogeneous ionic membrane Jan. 15, 2013
8349965 Fluororubber composition capable of forming crack-resistant seal and crack-resistant seal formed from the composition Jan. 8, 2013
8344071 Fluorine coating composition Jan. 1, 2013
8313536 Functional member having surface cleanliness Nov. 20, 2012
8309660 Perfluoroelastomer seal material Nov. 13, 2012
8258230 Arborescent polymers and process for making same Sep. 4, 2012
8247505 Process for preparing vulcanizable fluorine-containing elastomer Aug. 21, 2012
8242208 Fluorine-containing polymer composition and cured body Aug. 14, 2012
8236901 Fluorinated compound, fluoropolymer and method for producing the compound Aug. 7, 2012
8232353 Processes for producing nano-space controlled polymer ion-exchange membranes Jul. 31, 2012
8231973 Fluoro(meth)acrylate polymer composition suitable for low index layer of antireflective film Jul. 31, 2012
8211984 Ring-opening metathesis polymer, hydrogenated product thereof, method for preparing the same, and use thereof Jul. 3, 2012
8207235 Process for stabilizing fluoropolymer having ion exchange groups Jun. 26, 2012
8198375 Trifluorovinyl aromatic containing poly(alkyl ether) prepolymers Jun. 12, 2012
8188176 Fluorine-containing elastomer May. 29, 2012
8183325 Perfluorocyclobutane copolymers May. 22, 2012
8178592 Foamable fluoropolymer composition May. 15, 2012
8168714 (Per)fluoroelastomeric compositions May. 1, 2012
8153744 Hyperbranched polymer and process for production thereof Apr. 10, 2012
8153756 Fluorine-containing monomer, fluorine-containing polymer and surface treating agent Apr. 10, 2012
8138271 Crosslinkable composition and molded article made of same Mar. 20, 2012
8137688 Hydroxyphenyl cross-linked macromolecular network and applications thereof Mar. 20, 2012
8129869 Electret and electrostatic induction conversion device Mar. 6, 2012
8101711 Process to modify polymeric materials and resulting compositions Jan. 24, 2012
8080195 Process for production of fluorine-containing polymers and fluorine-containing polymers Dec. 20, 2011

1 2 3 4 5 6 7 8

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